Take four trimmed diode legs and bend them into an L shape. Hold the
controller upside down and insert the diode legs into the holes at the
-corners, fixing them in place with tape. Try to get them to point straight.
+corners, (except for the VIN corner, which is not used; use the GND
+hole instead as indicated in the picture below) fixing them in place
+with tape. Try to get them to point straight.
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